[openib-general] RDMA Read performance
Grant Grundler
iod00d at hp.com
Thu Sep 1 13:49:07 PDT 2005
On Fri, Aug 19, 2005 at 09:30:09AM -0700, Sean Hefty wrote:
> Galen Shipman wrote:
> >Using: ibv_rc_pingpong --size=1048576 I am seeing 942 Mbytes per sec.
> >
> >As I said previously, we have an internal application that sees ~950
> >MBytes per sec using RDMA Write. It looks like ibv_rc_pingpong is using
> >send receive and not RDMA. Perhaps someone (Roland) has an RDMA Read
> >test they can point me to?
>
> I'm not aware of an RDMA read test. Try increasing max_rd_atomic and
> max_dest_rd_atomic to the maximum values supported by the HCA.
Galen,
Have you had a chance to try Sean's suggestion?
I want to but only have lame excuses (time) for not doing so.
thanks,
grant
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